April 1951 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

25 himmelbegivenheder i alt, inklusive 4 månefaser og 3 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

April 1951 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.9
Stjernebillede: Taurus
Angular diameter: 9.9"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 02h20m36s
Deklination: +17°13'35"

Venus

Excellent
Tilsyneladende magnitude: -4.0
Stjernebillede: Taurus
Angular diameter: 13.4"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascension: 03h48m24s
Deklination: +21°13'48"

Mars

Excellent
Tilsyneladende magnitude: 1.3
Stjernebillede: Taurus
Angular diameter: 3.8"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 02h05m00s
Deklination: +12°29'20"

Jupiter

Excellent
Tilsyneladende magnitude: -2.1
Stjernebillede: Pisces
Angular diameter: 33.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Rektascension: 23h56m10s
Deklination: -01°34'28"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Virgo
Angular diameter: 19.3"
Status: near western quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascension: 11h53m21s
Deklination: +03°28'20"

Uranus

Fair
Tilsyneladende magnitude: 5.6
Stjernebillede: Cancer
Angular diameter: 3.7"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Rektascension: 06h25m30s
Deklination: +23°38'23"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Libra
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Rektascension: 13h08m59s
Deklination: -05°30'07"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Leo
Angular diameter: 11641.7"
Status: Moon illumination 54.6%

Observation tip: Moon illumination 54.6%; good for observing lunar surface detail

Rektascension: 08h09m35s
Deklination: +24°08'09"